NL187722B - MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSDUCER AND METHOD FOR MANUFACTURING THESE - Google Patents
MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSDUCER AND METHOD FOR MANUFACTURING THESEInfo
- Publication number
- NL187722B NL187722B NLAANVRAGE7906946,A NL7906946A NL187722B NL 187722 B NL187722 B NL 187722B NL 7906946 A NL7906946 A NL 7906946A NL 187722 B NL187722 B NL 187722B
- Authority
- NL
- Netherlands
- Prior art keywords
- electro
- membrane
- manufacturing
- acoustic transducer
- acoustic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Laminated Bodies (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11489278 | 1978-09-19 | ||
JP11489278A JPS5541066A (en) | 1978-09-19 | 1978-09-19 | Diaphragm for electroacoustic converter |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7906946A NL7906946A (en) | 1980-03-21 |
NL187722B true NL187722B (en) | 1991-07-16 |
NL187722C NL187722C (en) | 1991-12-16 |
Family
ID=14649253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7906946,A NL187722C (en) | 1978-09-19 | 1979-09-18 | MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSDUCER AND METHOD FOR MANUFACTURING THESE |
Country Status (7)
Country | Link |
---|---|
US (1) | US4291205A (en) |
JP (1) | JPS5541066A (en) |
CA (1) | CA1123091A (en) |
DE (1) | DE2937926A1 (en) |
FR (1) | FR2437137A1 (en) |
GB (1) | GB2031691B (en) |
NL (1) | NL187722C (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5779797A (en) * | 1980-11-04 | 1982-05-19 | Mitsubishi Electric Corp | Diaphragm for speaker and its manufacture |
JPS57186899A (en) * | 1981-05-14 | 1982-11-17 | Pioneer Electronic Corp | Honey-comb core diaphragm |
NL8200416A (en) * | 1982-02-04 | 1983-09-01 | Philips Nv | FLAT MEMBRANE CONVERTER AND METHOD FOR MAKING SUCH A CONVERTER |
DE3379210D1 (en) * | 1982-03-16 | 1989-03-23 | Matsushita Electric Ind Co Ltd | Diaphragm for loudspeakers |
US4461930A (en) * | 1982-09-23 | 1984-07-24 | Pioneer Speaker Components, Inc. | Acoustic transducer with honeycomb diaphragm |
DE3929266C1 (en) * | 1989-09-02 | 1991-01-03 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
GB2246684A (en) * | 1990-08-04 | 1992-02-05 | Secr Defence | Panel form loudspeaker |
US6247551B1 (en) | 1990-08-04 | 2001-06-19 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Panel-form loudspeaker |
JPH0824509B2 (en) * | 1991-05-30 | 1996-03-13 | 海洋科学技術センター | Submerged floating offshore structure |
JP3199559B2 (en) * | 1994-03-28 | 2001-08-20 | 松下電器産業株式会社 | Speaker damper and method of manufacturing the same |
DK0847678T3 (en) * | 1995-09-02 | 1999-10-25 | New Transducers Ltd | Panel shaped microphones |
GB2320393A (en) | 1996-12-11 | 1998-06-17 | Secr Defence | Panel form loudspeaker |
AU4051799A (en) * | 1998-05-28 | 1999-12-13 | Michael Sacks | Acoustic panel |
TR200003739T2 (en) | 1998-06-22 | 2001-06-21 | Slab Technology Limited | speakers |
US6893733B2 (en) | 2000-07-07 | 2005-05-17 | Delphi Technologies, Inc. | Modified contoured crushable structural members and methods for making the same |
US6949282B2 (en) | 2000-07-07 | 2005-09-27 | Delphi Technologies, Inc. | Contoured crushable composite structural members and methods for making the same |
US6586110B1 (en) | 2000-07-07 | 2003-07-01 | Delphi Technologies, Inc. | Contoured metal structural members and methods for making the same |
US8656929B2 (en) | 2002-05-31 | 2014-02-25 | Vidacare Corporation | Medical procedures trays and related methods |
WO2008033874A2 (en) | 2006-09-12 | 2008-03-20 | Vidacare Corporation | Bone marrow aspiration devices and related methods |
DE102004027111B4 (en) * | 2004-06-03 | 2008-01-10 | Sennheiser Electronic Gmbh & Co. Kg | Acoustic transducer |
US7899528B2 (en) | 2007-05-17 | 2011-03-01 | Vidacare Corporation | Method and apparatus to monitor patients and treat with intraosseous fluids |
US8189851B2 (en) * | 2009-03-06 | 2012-05-29 | Emo Labs, Inc. | Optically clear diaphragm for an acoustic transducer and method for making same |
US9883853B2 (en) | 2013-03-15 | 2018-02-06 | Teleflex Medical Devices S.À.R.L. | Intraosseous device couplers, drivers, kits, and methods |
US20140270193A1 (en) | 2013-03-15 | 2014-09-18 | Emo Labs, Inc. | Acoustic transducers having a connector between an actuator and a diaphragm |
US9615816B2 (en) | 2013-03-15 | 2017-04-11 | Vidacare LLC | Drivers and drive systems |
US9414815B2 (en) | 2013-03-15 | 2016-08-16 | Vidacare LLC | Intraosseous needle sets and kits |
USD741835S1 (en) | 2013-12-27 | 2015-10-27 | Emo Labs, Inc. | Speaker |
USD733678S1 (en) | 2013-12-27 | 2015-07-07 | Emo Labs, Inc. | Audio speaker |
USD748072S1 (en) | 2014-03-14 | 2016-01-26 | Emo Labs, Inc. | Sound bar audio speaker |
US9877112B2 (en) * | 2016-03-29 | 2018-01-23 | Dell Products L.P. | Piezoelectric force actuator audio system |
CN112866879B (en) * | 2021-01-04 | 2022-09-20 | 歌尔股份有限公司 | Ball top, vibrating diaphragm and loudspeaker |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE905378C (en) * | 1940-10-02 | 1954-03-01 | Hermann Papst | Membrane for loudspeakers and other acoustic devices |
DE1227512B (en) * | 1963-12-17 | 1966-10-27 | Elektrogeraetebau Leipzig Veb | Multi-layer membrane for loudspeakers |
GB1454514A (en) * | 1973-06-16 | 1976-11-03 | Rank Organisation Ltd | Electro-acoustic transducers |
GB1526201A (en) * | 1975-09-05 | 1978-09-27 | Strathearn Audio Ltd | Loudspeaker diaphragm |
US4140203A (en) * | 1976-05-17 | 1979-02-20 | Matsushita Electric Industrial Co., Ltd. | Acoustic diaphragm with polyurethane elastomer coating |
JPS5379525A (en) * | 1976-12-23 | 1978-07-14 | Sony Corp | Compound diaphtagm for speakers |
JPS5437718A (en) * | 1977-08-30 | 1979-03-20 | Mitsubishi Electric Corp | Diaphragm for speakers |
JPS5748153Y2 (en) * | 1977-11-26 | 1982-10-22 |
-
1978
- 1978-09-19 JP JP11489278A patent/JPS5541066A/en active Pending
-
1979
- 1979-09-13 US US06/075,492 patent/US4291205A/en not_active Expired - Lifetime
- 1979-09-17 CA CA335,759A patent/CA1123091A/en not_active Expired
- 1979-09-18 NL NLAANVRAGE7906946,A patent/NL187722C/en not_active IP Right Cessation
- 1979-09-18 GB GB7932266A patent/GB2031691B/en not_active Expired
- 1979-09-19 FR FR7923351A patent/FR2437137A1/en active Granted
- 1979-09-19 DE DE19792937926 patent/DE2937926A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2937926A1 (en) | 1980-03-27 |
FR2437137A1 (en) | 1980-04-18 |
CA1123091A (en) | 1982-05-04 |
JPS5541066A (en) | 1980-03-22 |
GB2031691B (en) | 1982-11-10 |
NL7906946A (en) | 1980-03-21 |
GB2031691A (en) | 1980-04-23 |
NL187722C (en) | 1991-12-16 |
US4291205A (en) | 1981-09-22 |
FR2437137B1 (en) | 1982-11-19 |
DE2937926C2 (en) | 1989-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NL187722C (en) | MEMBRANE FOR AN ELECTRO-ACOUSTIC TRANSDUCER AND METHOD FOR MANUFACTURING THESE | |
NL7702930A (en) | DIAPHRAGM FOR AN ELECTRO-ACOUSTIC CONVERTER. | |
NL184199C (en) | COMPOSITE SEMIPERABEL MEMBRANE AND METHOD FOR THE MANUFACTURE THEREOF. | |
NL7709073A (en) | INSECTICIDE PREPARATION AND METHOD FOR THE PREPARATION THEREOF. | |
ES519895A0 (en) | AN ELECTRO-ACOUSTIC TRANSDUCER. | |
NL7708190A (en) | PIPE CONNECTION AND PROCEDURE FOR MANUFACTURE THEREOF. | |
IT8124818A0 (en) | ELECTROACOUSTIC TRANSDUCER. | |
NL190534C (en) | Speaker unit for headphones. | |
NL7706609A (en) | DIALYSIS EMBRANE FOR HEMNDIALYSIS AND METHOD OF MANUFACTURE THEREOF. | |
NL183869C (en) | METHOD FOR MANUFACTURING A SEMIPERABEL MEMBRANE | |
NL185059C (en) | METHOD FOR THE MANUFACTURE OF A HEARING PROTECTION DEVICE, AND HEREIN MANUFACTURED HEARING DEVICE | |
NL7903908A (en) | ELECTRO-ACOUSTIC TRANSDUCER. | |
NL7811927A (en) | METHOD OF PERFORMING A SUBSTANCE SENSITIVE MEMBRANE. | |
NL7612657A (en) | ART MEDIA AND A METHOD FOR THE MANUFACTURE OF THIS. | |
NL7806091A (en) | FORMAT MATERIAL AND METHOD FOR MANUFACTURING IT. | |
NL190797C (en) | Sound field simulation system and method for calibrating it. | |
NL183496C (en) | MEMBRANE SUITABLE FOR HEMODIALYSIS. | |
NL7713773A (en) | AID, AND PROCEDURE FOR MANUFACTURING THEREOF. | |
NL7702811A (en) | ACOUSTIC WELDING CONTROL SYSTEM. | |
NL7710712A (en) | ELECTROCHEMICAL DEVICE AND METHOD FOR MANUFACTURING THEREOF. | |
IT8119889A0 (en) | ACOUSTIC TRANSDUCER. | |
NL191225C (en) | Electro-acoustic transducer. | |
NL7704247A (en) | PRESSURE ACCUMULATOR AND METHOD FOR MANUFACTURE THEREOF. | |
NL7902210A (en) | ELECTROLYSIS-ELECTRODE AND METHOD OF MANUFACTURE THEREOF. | |
ES496947A0 (en) | AN ELECTROACOUSTIC TRANSDUCER |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |